Patent US3019593A successfully refreshed from Google Patents.
US3019593A
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US
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Method for producing variable twist yarn
Assignee: James Lees and Sons Co
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Filing: 1959-11-06
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Granted: 1962-02-06
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Expires: 1979-11-06
Abstract
No abstract record available.
Inventors
- 👤 Ralph T Reid
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:03
CPC Classifications
D; D01; D01H; D01H5/00; D01H5/18; D01H5/32; D01H5/36; D02; D02G; D02G3/00; D02G3/22; D02G3/26; D02G3/28; D02G3/288
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US217193A
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US320344A
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US386623A
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US574941A
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US771720A
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US1898095A
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US2128184A
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US2472283A
Cited
FR1173970A
Cited
US2933881A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-02-05 | 1965-08-07 | 1966-02-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-02-05 | 1969-08-07 | 1970-02-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-02-05 | 1973-08-07 | 1974-02-06 | $7700.00 | Window Closed / Lapsed |